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EWG's Tap Water Database — 2021 UPDATE

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Octadecanoic acid

East Rio Hondo Water Supply Corporation Arroyo City

Octadecanoic acid, also called stearic acid, is a naturally occurring fatty acid found in animal and plant lipids.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
20163.70 ppb113.70 ppb
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result